Grant of Stock Options under Employees Stock Option Scheme - 2024 and Grant of Restricted Stock Units under Employees Stock Incentive Master Scheme - 2022

CIN: L65920MH1994PLC080618 HDFC Bank Limited, EEmail:shareholder.grievances@hdfcbank.com HDFC House, Website: www.hdfcbank.com H T Parekh Marg, 165-166 Backbay Reclamation, Churchgate, Mumbai- 400 020 Tel. No.: 022-66316000 Ref.no SE/2026-27/99 September 6, 2026 BSE Limited National Stock Exchange of India Limited Dept. of Corporate Services The Listing Department Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Fort, Bandra Kurla Complex, Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 500180 Scrip Symbol: HDFCBANK Dear Sir/ Madam, Sub: Grant of stock options under Employees’ Stock Option Scheme (ESOS – Plan H-2024) and Grant of Restricted Stock Units under Employees’ Stock Incentive Master Scheme – 2022 Pursuant to the applicable provisions of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Governance, Nomination and Remuneration Committee (GNRC) of the Bank, on September 6, 2026, has granted: (1) 5,86,95,020 equity stock options of face value of Re. 1/- (“options”) each at the grant price of Rs. 712.10 (Rupees Seven Hundred Twelve and Paise Ten only) convertible into one equity share each of the Bank upon vesting and exercise under Employees’ Stock Option Scheme ESOS – 063 (ESOS 063). Vesting of the options shall happen in 4 stages as under: • 15% rounded off to the nearest 100 on completion of twelve months from the grant date • 20% rounded off to the nearest 100 on completion of twenty-four months from the grant date • 25% rounded off to the nearest 100 on completion of thirty-six months from the grant date • Balance on completion of forty-eight months from the grant date The vested options must be exercised within a period of 4 years from the respective dates of their vesting, failing which, they shall lapse forthwith. The options have been granted under the Scheme titled Employees’ Stock Option Scheme ESOS – Plan H-2024 (ESOS H-2024) in terms of SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 as amended from time to time. (2) 2,90,430 equity stock options of the face value of Re. 1/- (“options”) each at the grant price of Rs. 712.10 (Rupees Seven Hundred Twelve and Paise Ten only) convertible into one equity share each of the Bank upon vesting and exercise under Employees’ Stock Option Scheme ESOS – 064 (ESOS 064). Regd. Office: HDFC Bank Limited, HDFC Bank House, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013 Vesting of the options shall happen in 4 stages as under: • 15% rounded off to the nearest 100 on completion of twelve months from the grant date • 20% rounded off to the nearest 100 on completion of twenty-four months from the grant date • 25% rounded off to the nearest 100 on completion of thirty-six months from the grant date • Balance on completion of forty-eight months from the grant date The vested options must be exercised within a period of 4 years from the respective dates of their vesting, failing which, they shall lapse forthwith. The options have been granted under the Scheme titled Employees’ Stock Option Scheme ESOS – Plan H-2024 (ESOS H-2024) in terms of SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 as amended from time to time. (3) 1,53,73,400 restricted stock units of face value of Re. 1/- (“units”) each at the grant price of Re. 1/- (Rupee One only) convertible into one equity share of Re. 1 each of the Bank upon vesting and exercise in terms of the Employees’ Stock Incentive Master Scheme – 2022 under the scheme titled “RSU 018”. Vesting of the units shall happen in 4 stages as under: • 15% rounded off to the nearest 10 on completion of twelve months from the grant date • 20% rounded off to the nearest 10 on completion of twenty-four months from the grant date • 25% rounded off to the nearest 10 on completion of thirty-six months from the grant date • Balance on completion of forty-eight months from the grant date The vested units must be exercised within a period of 1 year from the respective dates of their vesting, failing which, they shall lapse forthwith. The units have been granted under the Scheme titled “RSU 018” in terms of SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 as amended from time to time. (4) 65,287 restricted stock units of face value of Re. 1/- (“units”) each at the grant price of Re. 1/- (Rupee One only) convertible into one equity share of Re. 1 each of the Bank upon vesting and exercise in terms of the Employees’ Stock Incentive Master Scheme – 2022 under the scheme titled “RSU 019”. Vesting of 100% of the units would happen on completion of twelve months from the grant date. The vested units must be exercised within a period of 1 year from the date of their vesting, failing which, they shall lapse forthwith. The units have been granted under the Scheme titled “RSU 019” in terms of SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 as amended from time to time. (5) 12,80,130 restricted stock units of face value of Re. 1/- (“units”) each at the grant price of Re. 1/- (Rupee One only) convertible into one equity share of Re. 1 each of the Bank upon vesting and Regd. Office: HDFC Bank Limited, HDFC Bank House, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013 exercise in terms of the Employees’ Stock Incentive Master Scheme – 2022 under the scheme titled “RSU 020”. Vesting of the units shall happen in 3 stages as under: • 30% rounded off to the nearest 10 on completion of twelve months from the grant date • 30% rounded off to the nearest 10 on completion of twenty-four months from the grant date • Balance on completion of thirty-six months from the grant date The vested units must be exercised within a period of 1 year from the respective dates of their vesting, failing which, they shall lapse forthwith. The units have been granted under the Scheme titled “RSU 020” in terms of SEBI (Share Based Employee Benefits and Sweat Equity) Regulations, 2021 as amended from time to time. This is for your information and appropriate dissemination. Yours sincerely, For HDFC Bank Limited Ajay Agarwal Company Secretary Group Head – Secretarial & Group Oversight Regd. Office: HDFC Bank Limited, HDFC Bank House, Senapati Bapat Marg, Lower Parel (West), Mumbai – 400 013